Is DSG2 p.Asp433= (c.1299T>C) pathogenic?

DSG2 p.Asp433= (c.1299T>C) is classified Likely benign in DSG2 (ClinVar, Multiple submitters, 9 submitters; last evaluated 2026-01-12). Ultra-rare (popmax 0.0322%, afr); Associated with Cardiovascular phenotype.

What condition is associated with DSG2 p.Asp433= (c.1299T>C)?

DSG2 p.Asp433= (c.1299T>C) is associated with Cardiovascular phenotype, cardiomyopathy, arrhythmogenic right ventricular dysplasia 10 (ClinVar).

How common is DSG2 p.Asp433= (c.1299T>C) in the general population?

DSG2 p.Asp433= (c.1299T>C) is ultra-rare (popmax 0.0322%, afr) (gnomAD).

DSG2 p.Asp433=

c.1299T>C · rs367548984 · VCV514521

Likely benign Multiple submitters

Classification

Likely benign

ClinVar

Review

Multiple submitters ★★☆☆

ClinVar · 9 submitters

gnomAD v4.1

Rare

ultra-rare (popmax 0.0322%, afr)

Conditions

Cardiovascular phenotype

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation carries the signal.
Splicing
SpliceAI	—	not assessed · no allele here is in the release
Constraint at this position
Conservation	phyloP -1.1	GERP -3.6
Overall
CADD	0.867	PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes

Grpmax group 0.0322% African / African-American · 24/74,444 alleles

Filtering AF 0.0221% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.0188%

Overall 0.0022% 35/1,589,052 alleles · ultra-rare

Ancestry group	Frequency	1 in
African / African-Americangrpmax	0.0322%	3,102
Admixed American	0.00335%	29,825
Remaining individualsnot grpmax-eligible	0.00162%	61,590
European (non-Finnish)	0.00069%	144,886

Rarity supports pathogenicity (ACMG PM2); frequency above a disease-specific BA1/BS1 threshold argues against it. A variant frequent in one ancestry group can be near-absent in others, so a single global figure can mislead.

Variant & gene context

Gene: DSG2
Protein: p.Asp433=
Coding: c.1299T>C
MANE Select: NM_001943
dbSNP: rs367548984
Type: single nucleotide variant
Location: chr18:31535288 (GRCh38)
Gene constraint: LOEUF 0.764 · pLI <0.01 · ClinGen HI 2/3 (gnomAD)
Structure: AlphaFold pLDDT 65.27 · 12 PDB
Residue 433: the cadherin 4 domain

Full DSG2 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Disease context

Cardiovascular phenotype — disease report on Sugi Atlas → Associated genes, phenotypes, clinical trials & treatments

Also linked: cardiomyopathy arrhythmogenic right ventricular dysplasia 10 arrhythmogenic right ventricular cardiomyopathy

Similar variants

DSG2 p.Asp433Gly Uncertain significance ★★ ⚠ same residue
DSG2 p.Asp433Tyr Uncertain significance ★★ ⚠ same residue
DSG2 p.Asp433Asn Uncertain significance ★ ⚠ same residue
DSG2 c.1423+1G>T Likely pathogenic ★★ same condition
DSG2 c.1424-1G>A Likely pathogenic ★★ same condition
DSG2 c.523+1G>T Pathogenic/Likely pathogenic ★★ same condition
DSG2 c.690+1G>A Pathogenic ★★ same condition
DSG2 c.81+1G>T Likely pathogenic ★★ same condition

Built on 18 open, versioned datasets — ClinVar, gnomAD, AlphaMissense, REVEL, ClinGen & more — plus Sugi Variant's own cross-source analysis. Source data 2026-01–2026-10, ClinVar 2026-10. Full sources & versions →

Cite Sugi Variant

Gür T. Sugi Variant: A Deterministic Per-Variant Germline Reference from a Knowledge Graph for Humans and AI Agents. 2026. doi:10.5281/zenodo.21509445. This variant: https://sugi.bio/variant/dsg2-p-asp433 (accessed [today's date]).

Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown